[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-25 UTC。"],[],[],null,["- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Query parameters](#body.QUERY_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n- [Authorization scopes](#body.aspect)\n\nUpdates an add-on attachment.\n\nRequires the add-on to have been the original creator of the attachment.\n\nThis method returns the following error codes:\n\n- `PERMISSION_DENIED` for [access errors](/workspace/classroom/reference/Access.Errors).\n- `INVALID_ARGUMENT` if the request is malformed.\n- `NOT_FOUND` if one of the identified resources does not exist.\n\nHTTP request\n\n`PATCH https://classroom.googleapis.com/v1/courses/{courseId}/courseWorkMaterials/{itemId}/addOnAttachments/{attachmentId}`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\nPath parameters\n\n| Parameters ||\n|----------------|-------------------------------------------------------------------------|\n| `courseId` | `string` Required. Identifier of the course. |\n| `itemId` | `string` Identifier of the post under which the attachment is attached. |\n| `attachmentId` | `string` Required. Identifier of the attachment. |\n\nQuery parameters\n\n| Parameters ||\n|--------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `postId` | `string` Required. Identifier of the post under which the attachment is attached. |\n| `updateMask` | `string (`[FieldMask](https://protobuf.dev/reference/protobuf/google.protobuf/#field-mask)` format)` Required. Mask that identifies which fields on the attachment to update. The update fails if invalid fields are specified. If a field supports empty values, it can be cleared by specifying it in the update mask and not in the `AddOnAttachment` object. If a field that does not support empty values is included in the update mask and not set in the `AddOnAttachment` object, an `INVALID_ARGUMENT` error is returned. The following fields may be specified by teachers: - `title` - `teacherViewUri` - `studentViewUri` - `studentWorkReviewUri` - `dueDate` - `dueTime` - `maxPoints` This is a comma-separated list of fully qualified names of fields. Example: `\"user.displayName,photo\"`. |\n\nRequest body\n\nThe request body contains an instance of [AddOnAttachment](/workspace/classroom/reference/rest/v1/courses.announcements.addOnAttachments#AddOnAttachment).\n\nResponse body\n\nIf successful, the response body contains an instance of [AddOnAttachment](/workspace/classroom/reference/rest/v1/courses.announcements.addOnAttachments#AddOnAttachment).\n\nAuthorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/classroom.addons.teacher`\n\nFor more information, see the [Authorization guide](/workspace/guides/configure-oauth-consent)."]]